Northwestern coach David Braun professes championship mentality for Wildcats

David Braun may or may not have a starting quarterback yet. The Northwestern coach wasn't ready to talk about that Thursday as Big Ten Media Days wrapped up at the Hilton Chicago. But he had plenty to say about where the bar should be set for a program that won its last Big Ten title in 2000. After paying tribute to the heavy lifting done by previous coaches Gary Barnett, Randy Walker and Pat Fitzgerald, Braun said the Wildcats "have expectations to do it better than we've ever done it…